'use strict';
+
// DocumentElement represents a node from WLXML document rendered inside Canvas
-var DocumentElement = function(htmlElement) {
+var DocumentElement = function(htmlElement, canvas) {
if(arguments.length === 0)
return;
+ this.canvas = canvas;
this.$element = $(htmlElement);
- this.wlxmlTag = this.$element.prop('tagName');
+
+ var tagNameProp = this.$element.prop('tagName');
+ this.wlxmlTag = tagNameProp ? tagNameProp.toLowerCase() : undefined;
};
$.extend(DocumentElement.prototype, {
+ dom: function() {
+ return this.$element;
+ },
children: function() {
var toret = [];
if(this instanceof DocumentTextElement)
var elementContent = this.$element.contents();
+ var element = this;
elementContent.each(function(idx) {
- var element = documentElementFromHTMLElement(this);
- if(
- (toret.length === 0 && (element instanceof DocumentNodeElement)) ||
- (toret.length > 0 && (toret[toret.length -1] instanceof DocumentNodeElement) && (element instanceof DocumentNodeElement))
- )
- toret.push(documentElementFromHTMLElement(document.createTextNode()));
- toret.push(element);
- if((idx === elementContent.length - 1) && (element instanceof DocumentNodeElement))
- toret.push(documentElementFromHTMLElement(document.createTextNode()));
+ var childElement = documentElementFromHTMLElement(this, element.canvas);
+ if(idx === 0 && elementContent.length > 1 && elementContent[1].nodeType === Node.ELEMENT_NODE && (childElement instanceof DocumentTextElement) && $.trim($(this).text()) === '')
+ return true;
+ if(idx > 0 && childElement instanceof DocumentTextElement) {
+ if(toret[toret.length-1] instanceof DocumentNodeElement && $.trim($(this).text()) === '')
+ return true;
+ }
+ toret.push(childElement);
+ });
+ return toret;
+ },
+ parent: function() {
+ return documentElementFromHTMLElement(this.$element.parent()[0], this.canvas);
+ },
+
+ sameNode: function(other) {
+ return other && (typeof other === typeof this) && other.$element[0] === this.$element[0];
+ },
+
+ wrapWithNodeElement: function(wlxmlNode) {
+ this.$element.wrap($('<' + wlxmlNode.tag + ' class="' + wlxmlNode.klass + '"">')[0]);
+ return documentElementFromHTMLElement(this.$element.parent().get(0), this.canvas);
+ },
+
+ childIndex: function(child) {
+ var children = this.children(),
+ toret = null;
+ children.forEach(function(c, idx) {
+ if(c.sameNode(child)) {
+ toret = idx;
+ return false;
+ }
});
return toret;
+ },
+
+ detach: function() {
+ this.$element.detach();
+ this.canvas = null;
}
});
-var DocumentNodeElement = function(htmlElement) {
- DocumentElement.call(this, htmlElement);
+
+var DocumentNodeElement = function(htmlElement, canvas) {
+ DocumentElement.call(this, htmlElement, canvas);
};
-var DocumentTextElement = function(htmlElement) {
- DocumentElement.call(this, htmlElement);
+var DocumentTextElement = function(htmlElement, canvas) {
+ DocumentElement.call(this, htmlElement, canvas);
};
DocumentNodeElement.prototype = new DocumentElement();
DocumentTextElement.prototype = new DocumentElement();
-var documentElementFromHTMLElement = function(htmlElement) {
+var manipulate = function(e, params, action) {
+ var dom;
+ if(params instanceof DocumentElement) {
+ dom = params.dom()
+ } else {
+ dom = DocumentNodeElement.createDOM(params);
+ }
+ e.$element[action](dom);
+ return documentElementFromHTMLElement(dom);
+};
+
+$.extend(DocumentNodeElement.prototype, {
+ append: function(params) {
+ manipulate(this, params, 'append');
+ },
+ before: function(params) {
+ manipulate(this, params, 'before');
+
+ },
+ after: function(params) {
+ manipulate(this, params, 'after');
+ }
+});
+
+DocumentNodeElement.createDOM = function(params) {
+ var dom;
+ if(params.text) {
+ dom = $(document.createTextNode(params.text));
+ } else {
+ dom = $('<' + params.tag + '>');
+ if(params.klass)
+ dom.attr('class', params.klass);
+ }
+ return dom;
+};
+
+
+DocumentNodeElement.create = function(params, canvas) {
+ return documentElementFromHTMLElement(DocumentNodeElement.createDOM(params)[0]);
+};
+
+
+$.extend(DocumentTextElement.prototype, {
+ setText: function(text) {
+ this.$element[0].data = text;
+ },
+ getText: function() {
+ return this.$element.text();
+ },
+ after: function(params) {
+ if(params instanceof DocumentTextElement || params.text)
+ return false;
+ var dom;
+ if(params instanceof DocumentNodeElement) {
+ dom = params.dom();
+ } else {
+ dom = DocumentNodeElement.createDOM(params);
+ }
+ this.$element.wrap('<div>');
+ this.$element.parent().after(dom[0]);
+ this.$element.unwrap();
+ return documentElementFromHTMLElement(dom[0]);
+ },
+ wrapWithNodeElement: function(wlxmlNode) {
+ if(wlxmlNode.start && wlxmlNode.end) {
+ return this.canvas.wrapText({
+ inside: this.parent(),
+ textNodeIdx: this.parent().childIndex(this),
+ offsetStart: wlxmlNode.start,
+ offsetEnd: wlxmlNode.end,
+ _with: {tag: wlxmlNode.tag, klass: wlxmlNode.klass}
+ });
+ } else {
+ return DocumentElement.prototype.wrapWithNodeElement.call(this, wlxmlNode);
+ }
+ },
+ split: function(params) {
+ var parentElement = this.parent(),
+ myIdx = parentElement.childIndex(this),
+ myCanvas = this.canvas,
+ passed = false,
+ succeedingChildren = [],
+ thisElement = this,
+ prefix = this.getText().substr(0, params.offset),
+ suffix = this.getText().substr(params.offset);
+
+ parentElement.children().forEach(function(child) {
+ if(passed)
+ succeedingChildren.push(child);
+ if(child.sameNode(thisElement))
+ passed = true;
+ });
+
+ if(prefix.length > 0)
+ this.setText(prefix);
+ else
+ this.remove();
+
+ var newElement = DocumentNodeElement.create({tag: parentElement.wlxmlTag, klass: parentElement.wlxmlClass}, myCanvas);
+ parentElement.after(newElement);
+
+ if(suffix.length > 0)
+ newElement.append({text: suffix});
+ succeedingChildren.forEach(function(child) {
+ newElement.append(child);
+ });
+ }
+});
+
+var documentElementFromHTMLElement = function(htmlElement, canvas) {
+ // if(!canvas)
+ // throw 'no canvas specified';
if(htmlElement.nodeType === Node.ELEMENT_NODE)
- return new DocumentNodeElement(htmlElement);
+ return new DocumentNodeElement(htmlElement, canvas);
if(htmlElement.nodeType === Node.TEXT_NODE)
- return new DocumentTextElement(htmlElement);
-}
+ return new DocumentTextElement(htmlElement, canvas);
+};
return {
- wrap: function(htmlElement) {
- return documentElementFromHTMLElement(htmlElement);
+ wrap: function(htmlElement, canvas) {
+ return documentElementFromHTMLElement(htmlElement, canvas);
},
DocumentElement: DocumentElement,
DocumentNodeElement: DocumentNodeElement,
fnp / fnpeditor.git / blobdiff